economy run汽车节油行驶竞赛economyn.经济；节约adj.经济的；廉价的Economy Leased Line经济型专用线Economy and finance经济和金融economy determinism经济决定论economy in Jiangnan江南经济Economy in counties县域经济economy contactless经济接触器economy of the fuel燃油经济性economy of Yangzhou扬州经济economy growth mode经济增长方式economy - orientt节约型